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#25 by Amiram Eldar at Thu Feb 11 05:49:28 EST 2021
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#24 by Amiram Eldar at Thu Feb 11 05:49:26 EST 2021
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| FORMULA
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Equals li(e), where li(x) is the logarithmic integral, and gamma + Sum_{n>=1} 1/(n*n!) = A001620 + A22983A229837. - Amiram Eldar, Mar 05 2019
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| STATUS
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approved
editing
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#23 by Giovanni Resta at Mon Mar 11 09:52:35 EDT 2019
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#22 by Michael B. Porter at Fri Mar 08 23:14:47 EST 2019
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#21 by Amiram Eldar at Tue Mar 05 14:12:55 EST 2019
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#20 by Amiram Eldar at Tue Mar 05 14:12:22 EST 2019
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| FORMULA
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Equals li(e), where li(x) is the logarithmic integral, and gamma + Sum_{n>=1} 1/(n*n!). - _!) = A001620 + A22983. - _Amiram Eldar_, Mar 05 2019
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| CROSSREFS
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Cf. A001563, A001620, A229837.
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#19 by Amiram Eldar at Tue Mar 05 14:10:51 EST 2019
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| LINKS
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Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/LogarithmicIntegral.html">Logarithmic Integral</a>
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#18 by Amiram Eldar at Tue Mar 05 14:09:02 EST 2019
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| FORMULA
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Equals li(e), where li(x) is the logarithmic integral, and gamma + Sum_{n>=1} 1/(n*n!). - Amiram Eldar, Mar 05 2019
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| CROSSREFS
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Cf. A001563, A001620.
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| STATUS
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approved
editing
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#17 by Georg Fischer at Fri Feb 15 17:43:05 EST 2019
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#16 by Michel Marcus at Fri Feb 15 11:54:57 EST 2019
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